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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009054507397 2,133 digits created 2026-08-07

Value

125433850020470630910923414801767225424792049753691988990770716929127269428457970145731919848812450657290973208431782511257604283522030338709734412558926039341934150862164386573665190745655643789994879389658009646986569339361544158125660295358426394430674847034349435431519205144409825944209266884403230781000157859409711323106086168072964464591482679517064884185887223011338754530722430930951069477331587456562355222864071380937043097702696958555922727923017787163736538545380097689114963957361294637408777504951494454700037517236037461264937638210426030627899560604409143837063506076923806661952772251418647021891394364496478981308631042879413107480191065041374462701198709139428308960919367957776902994127973514421443911206747425832986687725040259040597975156025589522091195637303915606340725165305634317134659586469634688570429103880137813181311642280805003820210072924994870552063516868055226220847857082964597730947545509632427190274298674268173278527636054604181395997468850855735330420552608791745209879667529954865100849897149529029859199004051222885209270184895870751595069033470550784307393640791623288583446093927916275977984326222612942016996615881399295652403304290488015325413452255152855680220833645202818166862737289045961719075697360039012558490246941471395054672497304258131814896313015630761337169940471419743331303406277357310059436980764341612677442695607238454054285357545896884565843357606121028099694469663205102706751760664779752037326336500028232982583248405637384908606271376186588308824312759340153372686897591970372963148228779940504998595037054446554532881657514033514618699102364009585814130623816719979633629835199261404764523609127814906470500365970491662645756019191157605297971799989029258060470350819936068776898599485685329837694242830095416806909088829576578611213443766940414437223077449177379950479979436329205082012962118213794541293984628367448319482869791779288779163649131181047368710695039906834228745942946516495473785694644995844426650441909268644416154913516197836246847039332504524182041334183701625723842231330384589847569677091902498206406275406522629146974832362763750919705303559
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 2,582-digit prime (187 intermediate primes).

Certified number2,582-digit prime
Certificatedownload
Certificate chainshow step 30 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054507397 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009054507397},"decimal":true,"detail":2}}'